CN216240187U

CN216240187U - Door plate locking mechanism and railway open wagon

Info

Publication number: CN216240187U
Application number: CN202122652070.3U
Authority: CN
Inventors: 袁博; 周雪; 张志彬; 付勇; 程伟; 田海群; 田晓春; 刘朋; 岳启林; 郭永峰
Original assignee: CRRC Qiqihar Rolling Stock Co Ltd
Current assignee: CRRC Qiqihar Rolling Stock Co Ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-08
Anticipated expiration: 2031-11-01

Abstract

The utility model relates to a door plate locking mechanism and a railway open wagon, wherein the door plate locking mechanism comprises a mounting seat and a locking part, the mounting seat is provided with a rotating shaft, and the locking part can rotate around the rotating shaft relative to the mounting seat; the locking part is provided with a clamping groove and a limiting structure, and one side wall of the clamping groove extends outwards to form a guide surface; the mount pad can be fixed with the last frame of door frame, and limit structure can restrict the locking part and revolute the rotation of axes in predetermineeing the angle scope, makes the one end height that the draw-in groove was kept away from to the spigot surface not less than predetermineeing the height. For the lower side door of a railway open wagon and the like, the door plate needs to be turned around the bottom edge of the lower side door and closed upwards, and the door plate locking mechanism can simplify the locking operation of the door plate and improve the working efficiency and the safety.

Description

Door plate locking mechanism and railway open wagon

Technical Field

The utility model relates to the technical field of railway open wagons, in particular to a door plate locking mechanism and a railway open wagon.

Background

The railway open wagon is a main wagon model of the railway wagon in China, has the characteristics of strong universality, high use efficiency and the like, and is used for transporting various goods such as coal, ore, steel, mechanical equipment, grain and the like.

The lower side door of the railway gondola car is a common unloading opening for bulk goods such as coal, the folding of the lower side door of the existing railway gondola car is provided with a hanging ring, the upper side beam of the side wall is welded with a hook seat, after the lower side door is closed, a hook is hung on the hook seat, the locking of the lower side door can be realized, but because the hook is arranged above the side wall, the distance from the rail surface is nearly 4 meters, an operator locks the lower side door, the operator needs to climb to the upper side beam, the lower side door is folded and upwards pulled and overturned, the hanging ring is hung on the hook, the operation is carried out, potential safety hazards exist, and the operation efficiency is low.

Therefore, for the lower side door of a railway gondola car, etc., when the door panel needs to be turned around the bottom edge and closed upwards, how to simplify the locking operation of the door panel and improve the working efficiency and safety is a technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a door plate locking mechanism and a railway open wagon, which can simplify the locking operation of a door plate and improve the operation efficiency and safety.

In order to solve the technical problem, the utility model provides a door panel locking mechanism, which comprises an installation seat and a locking part, wherein the installation seat is provided with a rotating shaft, and the locking part can rotate around the rotating shaft relative to the installation seat; the locking part is provided with a clamping groove and a limiting structure, and one side wall of the clamping groove extends outwards to form a guide surface; the mounting seat can be fixed with an upper frame of a door frame, and the limiting structure can limit the locking part to rotate around the rotating shaft within a preset angle range, so that the height of one end, far away from the clamping groove, of the guide surface is not lower than a preset height.

The door plant is when closing, can rotate for the door frame, the top edge of door plant can laminate in the spigot surface, and slide to the draw-in groove along the spigot surface, at this in-process, the top edge of door plant can promote the sticking department and make it revolute the rotation on the axis, and when the top edge of door plant is located the draw-in groove, the door plant temporarily and the sticking department between contactless, the sticking department can revolute the rotation down of axis, then, two lateral walls of draw-in groove are located the top edge's of door plant both sides respectively, thereby restrict the door plant, the door plant can't rotate, at this moment, this door plant has reached the closed condition with the door frame cooperation, and be locked by door plant locking mechanical system.

And the door plant is being locked the back, when no exogenic action, the top edge of door plant is located the draw-in groove all the time, can't open, and when needs open the door plant, other appurtenance of operating personnel accessible upwards promote the one end that the sticking department orientation was equipped with the spigot surface for the sticking department revolutes the rotation of axes, and after the top edge of draw-in groove and door plant broke away from, the door plant can be opened.

That is to say, through the door plant locking mechanical system that this embodiment provided, the door plant can realize the locking automatically when closing, and the door plant is when opening, and operating personnel also need not to climb to the position at door plant top edge and realize the unblock through manual operation, so, can be when simplifying the operation, promoting the operating efficiency, improve the operation security.

Alternatively, when the mounting seat is fixed to the door frame, the locking portion may be capable of bringing the open end of the card slot downward by its own weight.

Optionally, the locking portion is further provided with a limiting surface, the rotating shaft is located between the limiting surface and the clamping groove, an interval between an axis of the clamping groove and the limiting surface is gradually increased from inside to outside along a depth direction of the clamping groove, and the limiting surface forms the limiting structure.

Optionally, the number of the locking parts is two, and the two locking parts are fixed by a connecting rib.

Optionally, the number of the mounting seats is two.

Optionally, the two locking portions are located between the two mounting seats, each locking portion and the mounting seat are respectively provided with a mounting hole, the rotating shaft can penetrate through each mounting hole, and a gasket is further arranged between the locking portion and the mounting seat.

Optionally, the door frame still is equipped with the fixed beam, the cross-section of mount pad is C type structure, two the opening of mount pad sets up relatively to the open end terminal surface of C type structure can with the lateral wall overlap joint of fixed beam to through welded fastening, the pivot can pass the fixed beam.

Optionally, a gasket is further provided between the locking portion and the fixing beam.

Optionally, the clamping groove includes a first side wall and a second side wall, the first side wall extends to be provided with the guide surface, and along the depth direction, the height of the second side wall is greater than the height of the first side wall.

The utility model also provides a railway open wagon, which comprises door plates, door frames and the door plate locking mechanism.

The technical effect of the railway open wagon with the door plate locking mechanism is similar to that of the door plate locking mechanism, and for saving space, the details are not repeated.

Drawings

FIG. 1 is a schematic structural view of a door panel locking mechanism provided by an embodiment of the present invention;

FIG. 2 is a schematic view of the locking portion of FIG. 1;

FIG. 3 is a schematic view of the door panel locking mechanism in an installed condition;

FIG. 4 is an enlarged view of A in FIG. 3;

FIG. 5 is a schematic view of the door panel locking mechanism in a locked condition with the door panel;

fig. 6 is an enlarged view of B in fig. 5.

In the accompanying fig. 1-6, the reference numerals are illustrated as follows:

100-door panel locking mechanism; 200-a door panel; 300-a door frame; 400-a fixed beam;

1-mounting a base; 2-a locking part, 21-a clamping groove, 22-a limiting structure and 23-a guide surface; 3-a rotating shaft; 4-a cotter pin; 5-a gasket; 6-connecting ribs; 7-mounting holes.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

The railway open wagon has the characteristics of strong universality, high use efficiency and the like, and is used for transporting various goods such as coal, ore, steel, mechanical equipment, grain and the like. The railway gondola car includes the lower side door, and this lower side door includes door plant 200, and the side wall of railway gondola car is equipped with door frame 300 with this lower side door complex, but pivot connection between the lower frame of the 3 lines of its pivotal axis of door plant 200 and door frame 300, and door plant 200 can upwards rotate around its pivotal axis in order to realize closing, perhaps rotates downwards in order to realize opening, opens the back, and the goods can outwards be unloaded along the terminal surface of door plant 200 along door frame 300.

The door plant 200 is closing the back, because door plant locking mechanical system 100 needs to lock it from the top edge of door plant 200, the door plant locking mechanical system 100 that this application embodiment provided, can be fixed in the upside frame of door frame 300 with it, after door plant 200 upwards overturns to closing with the cooperation of door frame 300 around its bottom edge, the upside edge of this door plant 200 can be automatic with door plant locking mechanical system 100 effect, and by door plant locking mechanical system 100 locking, need not that operating personnel climbs to the eminence and through manual locking door plant 200, effectively improve the operating efficiency, can guarantee operating personnel's security simultaneously.

Of course, the door panel locking mechanism 100 provided in this embodiment is not limited to be used for locking the lower side door of a railway open wagon, as long as the bottom end of the door panel 200 can be pivotally connected to the door frame 300, and when the door panel 200 is turned upside down to open and close, the door panel 200 can be locked from the top end of the door panel 200 by the door panel locking mechanism 100 provided in this embodiment.

As shown in fig. 1 and 2, the door panel locking mechanism 100 includes a mounting seat 1 and a locking portion 2, wherein the mounting seat 1 is provided with a rotating shaft 3, the locking portion 2 is capable of rotating around the rotating shaft 3 relative to the mounting seat 1, the locking portion 2 is further provided with a locking groove 21 and a limiting structure 22, wherein one side wall of the locking groove 21 is provided with a guiding surface 23 extending outwards at an opening end, it can be easily understood that the guiding surface 23 and the side wall of the locking groove 21 are in smooth transition, and as shown in fig. 3 and 4, the mounting seat 1 can be fixed with a door frame 300 to mount the door panel locking mechanism 100 on an upper frame of the door frame 300.

When the door panel 200 is closed, the door panel 200 can rotate relative to the door frame 300, the top end edge of the door panel 200 can be attached to the guide surface 23 and slide into the slot 21 along the guide surface 23, in the process, the top end edge of the door panel 200 can push the locking portion 2 to rotate upwards around the rotating shaft 3, when the top end edge of the door panel 200 is located in the slot 21, the door panel 200 is temporarily not in contact with the locking portion 2, the locking portion 2 can rotate downwards around the rotating shaft 3, then, as shown in fig. 5 and 6, two side walls of the slot 21 are respectively located on two sides of the top end edge of the door panel 200, so that the door panel 200 is limited and cannot rotate, and at the moment, the door panel 200 is matched with the door frame 300 to reach a closed state and is locked by the door panel locking mechanism 100.

Specifically, as shown in fig. 3 and 4, when the mount 1 is fixed to the door frame 300, the locking portion 2 can make the open end of the engaging groove 21 face downward under its own gravity, so that when the top edge of the door panel 200 is located in the engaging groove 21, the locking portion 2 can lock the door panel 200 under its own gravity, and prevent the door panel 200 from rotating to open. Of course, in the present embodiment, the locking portion 2 may be configured to keep the opening of the card slot 21 downward by a spring or the like, and when the locking is implemented by gravity, the overall structure can be simplified and the cost can be reduced.

And door plant 200 is after being locked, when no exogenic action, the top edge of door plant 200 is located draw-in groove 21 all the time, can't open, and when needs open door plant 200, operating personnel accessible other appurtenance upwards promotes locking portion 2 towards the one end that is equipped with spigot surface 23 for locking portion 2 revolutes rotation of axis of rotation 3, and after the top edge of draw-in groove 21 and door plant 200 breaks away from, door plant 200 can be opened.

That is to say, through the door panel locking mechanism 100 provided by this embodiment, the door panel 200 can be automatically locked when being closed, and when the door panel 200 is opened, the operator does not need to climb to the position of the top edge of the door panel 200 to unlock through manual operation, so that the operation safety can be improved while the operation is simplified and the operation efficiency is improved.

This sticking department 2 still is equipped with limit structure 22, after mount pad 1 is fixed with the last frame of door frame 300, limit structure 22 can restrict locking department 2, make sticking department 2 can only revolve the rotation of axis 3 in predetermineeing the angular range, when this angular range internal rotation, the one end height that clamping groove 21 was kept away from to spigot surface 23 is not less than predetermined height, this predetermined height specifically means the top end height of door plant 200 under the locking condition, when guaranteeing that door plant 200 is closing, along with door plant 200 rotates for door frame 300, the top edge of door plant 200 can laminate in spigot surface 23, and slide to the clamping groove 21 in along spigot surface 23, avoid sticking department 2 to revolve axis 3 downwardly rotating, make the top edge of door plant 200 can't laminate with spigot surface 23, lead to the condition that this door plant 200 can't close.

As shown in fig. 2, the locking portion 2 is further provided with a limiting surface, the rotating shaft 3 is located between the limiting surface and the slot 21, the distance between the axis of the slot 21 and the limiting surface can be gradually increased from inside to outside along the depth of the slot 21, when the opening end of the slot 21 is downward, the depth direction of the slot 21 is from inside to outside, specifically from top to bottom as shown in fig. 2, that is, the bottom of the limiting surface is protruded to one side away from the slot 21.

Specifically, after mount pad 1 is fixed with door frame 300, the convex position in spacing face lower part can with door frame 300 butt to restriction locking part 2 continues to revolve around pivot 3 and rotates, thereby restriction locking part 2 revolves the pivot and at the rotation of predetermineeing the angular range, this spacing face forms above-mentioned limit structure 22, and when the top edge of door plant 200 slides in laminating in spigot surface 23, can promote locking part 2 and revolve pivot 3 and rotate, at this moment, the convex position in spacing face lower part can revolve pivot 3 and rotate downwards to breaking away from with door frame 300.

Of course, in this embodiment, the limiting structure 22 is not limited, and if the limiting blocks are respectively disposed on the locking portion 2 and the mounting seat 1, the rotation angle of the locking portion 2 may be limited by the abutting interference of the limiting blocks. When the stopper structure 22 is formed by the stopper surface provided in the lock portion 2, the entire structure can be simplified.

As shown in fig. 1, the number of the locking portions 2 is two, and the two locking portions 2 are provided at intervals, so that the stability of locking the door panel 200 can be improved, and of course, the number of the locking portions 2 may be three or more, and the two locking portions 2 can simplify the whole structure while ensuring the stability.

The two locking parts 2 are fixed through the connecting ribs 6, and the connecting ribs 6 can enable the two locking parts 2 to synchronously rotate around the rotating shaft 3, and meanwhile, the structural strength of the locking parts 2 can be improved. As shown in fig. 1, two mounting seats 1 are also provided, the two mounting seats 1 are respectively provided at both ends of a rotating shaft 3 to ensure mounting stability, and two locking portions 2 are located between the two mounting seats 1 and connected by a connecting rib 6.

Mounting base 1, sticking department 2 all are equipped with mounting hole 7, and pivot 3 can pass mounting hole 7 of mounting base 1 and sticking department 2's mounting hole 7 to the both ends of pivot 3 are spacing through cotter 4 respectively, prevent that pivot 3 from moving along its length direction for mounting base 1.

As shown in fig. 1, the cross section of the mounting seat 1 is a C-shaped structure, the openings of the two mounting seats 1 are arranged oppositely, the locking portion 2 is located in the groove of the C-shaped structure, as shown in fig. 3 to 6, the door frame 300 is further fixedly provided with a fixing beam 400, the end surfaces of the open ends of the C-shaped structures of the two mounting seats 1 can be lapped with the outer wall of the longitudinal beam, and then the rotating shaft 3 also passes through the fixing beam 400 through welding fixation, that is, one locking portion 2 is respectively arranged between each mounting seat 1 and the fixing beam 400, and gaskets 5 are respectively arranged between the locking portion 2 and the mounting seat 1, that is, two end surfaces of the mounting hole 7 of the locking portion 2 are respectively provided with the gasket 5, so that the locking portion 2, the fixing beam 400 and the mounting seats 1 can be protected, and abrasion can be prevented.

As shown in fig. 3-6, the side walls of the railway truck are provided with longitudinal beams, which form the above-mentioned fixed beams 400 when the door panel locking mechanism 100 is provided to the side walls.

As shown in fig. 2, the locking groove 21 includes a first side wall 211 and a second side wall 212, wherein the first side wall 211 extends to form the guide surface 23, and the height of the second side wall 212 is greater than the height of the first side wall 211 along the depth direction of the locking groove 21, when the top edge of the door panel 200 slides into the locking groove 21 while being attached to the guide surface 23, the top edge of the door panel 200 can abut against the second side wall 212 to limit the door panel 200 to rotate continuously, and then the locking portion 2 rotates downward to allow the top edge of the door panel 200 to enter the locking groove 21, so as to achieve locking. The height of the second side wall 212 is greater than that of the first side wall 211, so that the top edge of the door panel 200 can be prevented from directly sliding along the guide surface 23 to the other side of the locking groove 21.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.

Claims

1. The door panel locking mechanism is characterized by comprising an installation seat (1) and a locking part (2), wherein the installation seat (1) is provided with a rotating shaft (3), and the locking part (2) can rotate around the rotating shaft (3) relative to the installation seat (1);

the locking part (2) is provided with a clamping groove (21) and a limiting structure (22), and one side wall of the clamping groove (21) extends outwards to form a guide surface (23);

the mounting seat (1) can be fixed with an upper frame of a door frame (300), and the limiting structure (22) can limit the locking part (2) to rotate around the rotating shaft (3) within a preset angle range, so that the height of one end, far away from the clamping groove (21), of the guide surface (23) is not lower than a preset height.

2. A door locking mechanism according to claim 1, wherein when said mounting seat (1) is fixed to said door frame (300), said locking portion (2) is capable of making the open end of said catch groove (21) downward by its own weight.

3. A door panel locking mechanism according to claim 1, wherein the locking portion (2) further has a limiting surface, the rotating shaft (3) is located between the limiting surface and the slot (21), the distance between the axis of the slot (21) and the limiting surface gradually increases from inside to outside along the depth direction of the slot (21), and the limiting surface forms the limiting structure (22).

4. A door panel locking mechanism according to any one of claims 1-3, characterized in that the number of the locking parts (2) is two, and the two locking parts (2) are fixed by a connecting rib (6).

5. A door panel locking mechanism according to claim 4, characterized in that the number of said mounting seats (1) is two.

6. A door panel locking mechanism according to claim 5, characterized in that two locking parts (2) are located between two mounting seats (1), each locking part (2) and mounting seat (1) is provided with a mounting hole (7), the rotating shaft (3) can pass through each mounting hole (7), and a gasket (5) is further arranged between the locking part (2) and the mounting seat (1).

7. A door panel locking mechanism according to claim 6, characterized in that the door frame (300) is further provided with a fixed beam (400), the section of the installation seat (1) is C-shaped, the openings of the two installation seats (1) are oppositely arranged, the end surface of the open end of the C-shaped structure can be overlapped with the side wall of the fixed beam (400) and fixed by welding, and the rotating shaft (3) can penetrate through the fixed beam (400).

8. A door panel locking mechanism according to claim 7, characterized in that a gasket (5) is further provided between the locking portion (2) and the fixing beam (400).

9. A door panel locking mechanism according to any one of claims 1-3, characterized in that said locking groove (21) comprises a first side wall (211) and a second side wall (212), said first side wall (211) is extended with said guiding surface (23), and the height of said second side wall (212) is larger than the height of said first side wall (211) along the depth direction.

10. A railway truck comprising a door panel (200), a door frame (300) and a door panel locking mechanism according to any one of claims 1 to 9.